Adds grpc_gateway_swagger_compile.

bzl/build_file/com_github_grpc_ecosystem_grpc_gateway.BUILD

@@ -149,3 +149,36 @@ go_library(
         "@com_github_golang_protobuf//:protoc-gen-go/plugin",
     ],
 )
+
+go_binary(
+    name = "protoc-gen-swagger_bin",
+    srcs = [
+        "protoc-gen-swagger/main.go",
+    ],
+    deps = [
+        "protoc-gen-grpc-gateway/descriptor",
+        "protoc-gen-swagger/genswagger",
+        "@com_github_golang_glog//:go_default_library",
+        "@com_github_golang_protobuf//:proto",
+        "@com_github_golang_protobuf//:protoc-gen-go/plugin",
+    ],
+)
+
+
+go_library(
+    name = "protoc-gen-swagger/genswagger",
+    srcs = [
+        "protoc-gen-swagger/genswagger/doc.go",
+        "protoc-gen-swagger/genswagger/generator.go",
+        "protoc-gen-swagger/genswagger/template.go",
+        "protoc-gen-swagger/genswagger/types.go",
+    ],
+    deps = [
+        "protoc-gen-grpc-gateway/descriptor",
+        "protoc-gen-grpc-gateway/generator",
+        "@com_github_golang_glog//:go_default_library",
+        "@com_github_golang_protobuf//:proto",
+        "@com_github_golang_protobuf//:protoc-gen-go/plugin",
+        "@com_github_golang_protobuf//:protoc-gen-go/descriptor",
+    ],
+)

bzl/classes.bzl

@@ -7,13 +7,14 @@ load("//bzl:ruby/class.bzl", RUBY = "CLASS")
 load("//bzl:java/class.bzl", JAVA = "CLASS")
 load("//bzl:javanano/class.bzl", JAVANANO = "CLASS")
 load("//bzl:js/class.bzl", JS = "CLASS")
-load("//bzl:grpc_gateway/class.bzl", GATEWAY = "CLASS")
+load("//bzl:grpc_gateway/class.bzl", GATEWAY = "CLASS", "SWAGGER")
 
 CLASSES = {
     BASE.name: BASE,
     CPP.name: CPP,
     CSHARP.name: CSHARP,
     GATEWAY.name: GATEWAY,
+    SWAGGER.name: SWAGGER,
     JAVA.name: JAVA,
     JAVANANO.name: JAVANANO,
     JS.name: JS,

bzl/grpc_gateway/README.md

@@ -5,6 +5,7 @@
 | `grpc_gateway_proto_compile` | Generates protobuf source files. |
 | `grpc_gateway_proto_library` | Generates and compiles protobuf source files. |
 | `grpc_gateway_binary` | Generates everything into a gateway binary. |
+| `grpc_gateway_swagger_compile` | Generates swagger json files. |
 
 ## Installation
 

bzl/grpc_gateway/class.bzl

@@ -31,6 +31,7 @@ def implement_compile_attributes(lang, self):
     )
 
 
+
 def build_imports(lang, self):
     invokesuper("build_imports", lang, self)
     ctx = self["ctx"]
@@ -105,10 +106,41 @@ CLASS = struct(
         ],
     ),
 
+    swagger = struct(
+        name = 'protoc-gen-swagger',
+        file_extensions = [".pb.gw.json"],
+        executable = "@com_github_grpc_ecosystem_grpc_gateway//:protoc-gen-swagger",
+        default_options = GO.grpc.default_options,
+        requires = [
+            "com_github_grpc_ecosystem_grpc_gateway",
+        ],
+    ),
+
     implement_compile_attributes = implement_compile_attributes,
     build_protobuf_out = build_protobuf_out,
     build_grpc_out = build_grpc_out,
     build_imports = build_imports,
     build_inputs = build_inputs,
     library = GO.library,
 )
+
+SWAGGER = struct(
+    parent = BASE,
+    name = "swagger",
+
+    default_go_import_map = CLASS.default_go_import_map,
+    default_imports = CLASS.default_imports,
+
+    protobuf = struct(
+        name = 'protoc-gen-swagger',
+        file_extensions = [".swagger.json"],
+        executable = "@com_github_grpc_ecosystem_grpc_gateway//:protoc-gen-swagger_bin",
+        requires = [
+            "com_github_grpc_ecosystem_grpc_gateway",
+        ],
+    ),
+
+    implement_compile_attributes = implement_compile_attributes,
+    build_imports = build_imports,
+    build_inputs = build_inputs,
+)

bzl/grpc_gateway/rules.bzl

@@ -1,12 +1,13 @@
 load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_binary")
 load("//bzl:base/rules.bzl", "proto_library")
 load("//bzl:go/class.bzl", GO = "CLASS")
-load("//bzl:grpc_gateway/class.bzl", GATEWAY = "CLASS")
+load("//bzl:grpc_gateway/class.bzl", GATEWAY = "CLASS", "SWAGGER")
 load("//bzl:protoc.bzl", "PROTOC", "implement")
 
 SPEC = [GO, GATEWAY]
 
 grpc_gateway_proto_compile = implement(SPEC)
+grpc_gateway_swagger_compile = implement([SWAGGER])
 
 def grpc_gateway_proto_library(
     name,

examples/helloworld/grpc_gateway/BUILD

@@ -5,11 +5,19 @@ load(
     "//bzl:go/class.bzl",
     GO = "CLASS",
 )
+
 load(
     "//bzl:grpc_gateway/class.bzl",
     GRPC_GATEWAY = "CLASS",
+    GRPC_SWAGGER = "SWAGGER",
+)
+
+load(
+    "//bzl:grpc_gateway/rules.bzl",
+    "grpc_gateway_swagger_compile",
+    "grpc_gateway_proto_library",
+    "grpc_gateway_binary",
 )
-load("//bzl:grpc_gateway/rules.bzl", "grpc_gateway_proto_library", "grpc_gateway_binary")
 
 go_test(
     name = "greeter_test",
@@ -26,15 +34,20 @@ go_test(
     ] + GRPC_GATEWAY.grpc.compile_deps,
 )
 
-# Alternate form to grpc_gateway_binary
-#
 grpc_gateway_proto_library(
     name = "gateway",
     output_to_workspace = False,
     protos = ["helloworld.proto"],
     verbose = 1,
 )
 
+grpc_gateway_swagger_compile(
+    name = "swagger",
+    output_to_workspace = False,
+    protos = ["helloworld.proto"],
+    verbose = 1,
+)
+
 # grpc_gateway_binary(
 #     name = "greeter",
 #     srcs = ["greeter.go"],

examples/helloworld/proto/BUILD

@@ -50,12 +50,11 @@ java_proto_library(
     with_grpc = True,
 )
 
-
 js_proto_compile(
     name = "js",
-    protos = [":protos"],
     proto_deps = [
         "//examples/proto:js",
     ],
+    protos = [":protos"],
     verbose = 1,
 )

examples/proto/BUILD

@@ -7,7 +7,6 @@ load("//bzl:java/rules.bzl", "java_proto_library")
 load("//bzl:ruby/rules.bzl", "ruby_proto_library")
 load("//bzl:js/rules.bzl", "js_proto_compile")
 
-
 filegroup(
     name = "protos",
     srcs = [